setInterval(function() {
  var isShine = true;
  var title = document.title;
  if (isShine == true) {
    if (/新/.test(title) == false) {
      document.title = "【新消息】有美女加你好友";
    } else {
      document.title = "【\u3000\u3000\u3000】有美女加你好友";
    }
  } else {
    document.title = titleInit;
  }
}, 300);

//空格编码为Unicode12888 \u3000
var txt = "　　　";
for (var i = 0; i < txt.length; i++) {
  console.log(txt.charCodeAt(i));
}
